CVE-2026-42384: Nsquared Simply Schedule Appointments

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Unauthenticated Sensitive Data Exposure in Simply Schedule Appointments < 1.6.11.2 versions.

Affected products

• Nsquared Simply Schedule Appointments: before 1.6.11.2 (fixed in 1.6.11.2)

Published 2026-06-15. Last modified 2026-06-17.